Improvements in or relating to the manufacture of pistons,申请号GB19310000824-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of pistons
摘要
申请公布号	GB357040(A)	申请公布日期	1931.09.17
申请号	GB19310000824	申请日期	1931.01.09
申请人	ARTHUR MACNIVEN BROWN	发明人
分类号	B22D15/02	主分类号	B22D15/02
代理机构		代理人
主权项
地址

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